Top Videos: Alfonso Ribeiro Does The Carlton, Jimmy Fallon and Carol Burnett’s Lost Soap Opera

This week, the Dancing with the Stars moment we've all been waiting for happened: Alfonso Ribeiro finally busted out The Carlton. Elsewhere, two kangaroos got into a fist(?)fight in the middle of an Australian street, and a German woman demonstrated her mind-blowing ability to sing multiple notes at once. Also, Jimmy Fallon and Carol Burnett unveiled their "lost soap opera," Tensions, and such celebrities as Lena Dunham and Natasha Lyonne teamed up with Lil Jon to encourage young people to vote. Check out those clips and more in our weekly roundup of the best online videos:

Two-tone singing: German singer Anne-Maria Hefele has been called a "one-woman orchestra." Check out her amazing technique of singing high notes and low notes simultaneously:

Gilmore Girls/Twin Peaks: October has been a banner month for fans of Gilmore Girlsand Twin Peaks, so obviously it was only a matter of time before someone created a mashup of the shows. It's surprising how well Twin Peaks' opening credits sync up with the Gilmore Girls theme song:

"Turn Out for What": Find out why Lena Dunham, Lil Jon, Fred Armisen, Natasha Lyonne and other stars are heading to the polls — and why you should too — with this new music video:

Alfonso Ribeiro does The Carlton: Dancing with the Stars saved the best for last Monday night, with Alfonso Ribeiro and his partner Witney Carson incorporating his famous Carlton dance into their jazz routine — and earning a perfect score in the process.

Kangaroo fight: Our only complaint about this video, which shows two kangaroos fighting in a subdivision in Australia, is that it doesn't have subtitles.